package cn.fay.chapter13;

public class DatabaseException extends Exception {

	public DatabaseException(int transactionID,int queryID,String message){
		super(String.format("(t%d, q%d) %s", transactionID,queryID,message));
	}
	public static void main(String[] args) {
		try {
			throw new DatabaseException(3, 7, "Write failed");
		} catch (Exception e) {
			System.out.println(e);
		}
	}

}
